4-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one CAS 478045-68-0

Description

As a certified reference material (CRM), 4-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

4-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one (CAS 478045-68-0) is a high-purity analytical reference standard with the molecular formula C24H17ClN4O2 and a molecular weight of 428.87 g/mol.

Structurally, 4-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one (C24H17ClN4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 428.87 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

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